*{
    padding: 0px;
    margin: 0px;
    /*background-color: #cddc393b;*/
}

body{
    background-image: url(https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1516515730462&di=16315e03a8fb397d9be1628e422fabb9&imgtype=0&src=http%3A%2F%2Fpic2.16pic.com%2F00%2F38%2F62%2F16pic_3862207_b.jpg);

}

.wrapper{
    margin: 50px auto;
    height: 30px;
    text-align: center;
}


form{
    margin: 0 auto;
    width:500px;
}
.up{
    float:right;
    /* 	margin-top: 10px; */
    margin-right:10px;
    /* 	position:absolute; */
}
